[Feature]Upload Modem source code
Change-Id: Id4294f30faced84d3e6fd6d5e61e1111bf287a37
diff --git a/mcu/driver/audio/src/v1/inc/pcmMixer.h b/mcu/driver/audio/src/v1/inc/pcmMixer.h
new file mode 100644
index 0000000..d71f4e3
--- /dev/null
+++ b/mcu/driver/audio/src/v1/inc/pcmMixer.h
@@ -0,0 +1,29 @@
+
+#ifndef __PCMMIXER_H__
+#define __PCMMIXER_H__
+
+
+uint16 PcmMixer_QueryDlBufLen(void);
+void PcmMixer_writeDlBuf(uint16 *srcBuf, uint16 len);
+
+/**
+ @isMix: Mixer switch for uplink speech, 1 for SPH+Sound, 0 for sound only
+ @gain: Sound effect gain for uplink mixer, for 0 to 7
+*/
+void PcmMixer_ConfigUl(kal_bool isMix, kal_int8 gain );
+
+/**
+ @isMix: Mixer switch for uplink speech, 1 for SPH+Sound, 0 for sound only
+ @gain: Sound effect gain for uplink mixer, for 0 to 7
+*/
+void PcmMixer_ConfigDl(kal_bool isMix, kal_int8 gain );
+
+/**
+ @mixerHisrHandler: handler
+*/
+void PcmMixer_Start(void (*mixerHisrHandler)(void));
+void PcmMixer_Stop(void);
+
+void PcmMixer_Init(void);
+
+#endif //__PCMMIXER_H__
\ No newline at end of file